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27019313898 = 2325057179719
BaseRepresentation
bin11001001010011110…
…100000001011101010
32120202000121100201120
4121022132200023222
5420313421021043
620225033400110
71644364243623
oct311236401352
976660540646
1027019313898
1110505775495
1252a0869036
1327179b3905
14144462ca4a
15a820ec983
hex64a7a02ea

27019313898 has 16 divisors (see below), whose sum is σ = 54041085120. Its totient is φ = 9006028416.

The previous prime is 27019313809. The next prime is 27019313921. The reversal of 27019313898 is 89831391072.

27019313898 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 27019313898.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60483 + ... + 240201.

It is an arithmetic number, because the mean of its divisors is an integer number (3377567820).

Almost surely, 227019313898 is an apocalyptic number.

27019313898 is an abundant number, since it is smaller than the sum of its proper divisors (27021771222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27019313898 is a wasteful number, since it uses less digits than its factorization.

27019313898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204781.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 27019313898 in words is "twenty-seven billion, nineteen million, three hundred thirteen thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 25057 50114 75171 150342 179719 359438 539157 1078314 4503218983 9006437966 13509656949 27019313898